EP0837295B1 - Refrigerator and/or freezer - Google Patents
Refrigerator and/or freezer Download PDFInfo
- Publication number
- EP0837295B1 EP0837295B1 EP97111862A EP97111862A EP0837295B1 EP 0837295 B1 EP0837295 B1 EP 0837295B1 EP 97111862 A EP97111862 A EP 97111862A EP 97111862 A EP97111862 A EP 97111862A EP 0837295 B1 EP0837295 B1 EP 0837295B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- niche
- side parts
- side walls
- unit
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D23/00—General constructional features
- F25D23/06—Walls
- F25D23/065—Details
Definitions
- the invention relates to a refrigerator and / or freezer with at least one Inner container and an outer, this enclosing housing, in which the Gaps between the inner container and those forming the outer housing Walls are foamed with an insulating plastic foam, and with one arranged in the lower area of the rear wall, open to the outside Niche in which at least one motor compressor is arranged.
- the housing with the inner container in one Foam mold inserted.
- the niche is thereby created according to a customary method formed that a niche between the side walls in the foam mold limiting cardboard introduced and this by a niche shape corresponding Mold core is supported.
- Niche has the disadvantage that it is only laterally by the usual housing walls made of sheet metal is limited.
- CA 12 02 663 A has already suggested that the niche be made from side parts Has injection molded plastic that is spaced from the side walls of the housing are supported, and that the space between the side parts and the side walls is foamed.
- the inventive Niche part with large thin walls and correspondingly long flow paths of the plastic avoided during injection molding.
- the niche part just as it were can consist of a niche frame that delimits the edges of the niche be injected at lower pressures in an injection molding machine so that due to the lower spray pressures and better flow behavior a corresponding tool simultaneously two niche frames in an injection molding machine have it made.
- the manufacture of the niche frame according to the invention is therefore much cheaper than the production of the known trough-shaped niche parts.
- webs are at least one connecting the transverse profile webs Profile web provided that runs parallel to the side parts.
- the refrigerator and / or freezer expediently assembled by way of pre-assembly.
- the niche frame according to the invention can thus be pre-assembled as a stabilizing one Element serve that the sheet metal side walls of the housing with the lower edge areas of the side walls of the niche frame Be connected.
- the breakthroughs between the profile webs will be then closed by a cardboard box, the ends of which are also the back wall and form the bottom.
- the pre-assembled housing is then in a Foam mold inserted.
- the breakthroughs between the profile webs closed by cardboard and then the usual mold core is inserted.
- the one or more motor compressors are mounted on grids or holding parts Steel rails mounted, the sides of which with the lower end portions of the side panels the niche frame connected, for example screwed.
- the niche frame 1 consists essentially of the cross-sectional shape the niche corresponding closed side parts 2, 3, by a transverse profile web 4, one the inner upper edge of the Niche frame forming profile web 5 and an inner lower Edge of the niche frame forming profile web 6 are interconnected.
- the profile web 4 consists, as can best be seen from FIG. 2, of the obtuse angles mutually standing legs 7, 8, the upstanding leg 7 lies approximately in the plane of the rear wall of the refrigerator and / or freezer.
- the transverse profile web forming the inner upper edge of the niche frame 5 also has an angular profile with legs of approximately the same length.
- profile web 6 forming the lower rear edge of the niche frame has an angular shape in the manner shown in FIG. 2.
- the transverse profile webs 4, 5, 6 are through in the central transverse plane of the Niche frame 1 approximately parallel to the side parts 2, 3 profile webs 9, 10 connected to each other so that they are thereby additionally stiffened. Between the profile webs 5, 6 and the central web 9 are in the rear wall of the Niche frame formed large window-like openings 11, 12. In corresponding Way is also the upper side of the niche frame 1 between the Profile webs 4, 5 and the connecting profile web 10 with large window-like Breakthroughs 13, 14 provided.
- the side parts 2, 3 are, as can best be seen from FIG. 4, also profiled educated. At the lower edge area of the side parts 2, 3 are laterally cantilevered profiled strips 15 formed, the front of which is rounded downwards Form parts 16 sliding feet.
Description
Die Erfindung betrifft einen Kühl- und/oder Gefrierschrank mit mindestens einem Innenbehälter und einem äußeren, diesen einfassenden Gehäuse, bei dem die Zwischenräume zwischen dem innenbehälter und den das äußere Gehäuse bildenden Wänden mit einem isolierenden Kunststoffschaum ausgeschäumt sind, und mit einer im unteren Bereich der Rückwand angeordneten, nach außen hin offenen Nische, in der mindestens ein Motorkompressor angeordnet ist.The invention relates to a refrigerator and / or freezer with at least one Inner container and an outer, this enclosing housing, in which the Gaps between the inner container and those forming the outer housing Walls are foamed with an insulating plastic foam, and with one arranged in the lower area of the rear wall, open to the outside Niche in which at least one motor compressor is arranged.
Um die Zwischenräume zwischen dem Innenbehälter und den Wänden des äußeren Gehäuses auszuschäumen, wird das Gehäuse mit dem Innenbehälter in eine Schäumform eingelegt. Nach einem üblichen Verfahren wird dabei die Nische dadurch gebildet, daß in die Schäumform eine die Nische zwischen den Seitenwänden begrenzender Karton eingebracht und dieser durch einen der Nischenform entsprechenden Formkern abgestützt wird. Eine nach diesem Verfahren hergestellte Nische weist jedoch den Nachteil auf, daß diese seitlich nur durch die üblicherweise aus Blech bestehenden Gehäusewände begrenzt wird.To the gaps between the inner container and the walls of the outer Foaming the housing, the housing with the inner container in one Foam mold inserted. The niche is thereby created according to a customary method formed that a niche between the side walls in the foam mold limiting cardboard introduced and this by a niche shape corresponding Mold core is supported. One made by this process Niche, however, has the disadvantage that it is only laterally by the usual housing walls made of sheet metal is limited.
In der CA 12 02 663 A ist bereits vorgeschlagen, daß die Nische Seitenteile aus Kunststoffspritzguß aufweist, die im Abstand von den Seitenwänden des Gehäuses gehaltert sind, und daß der Raum zwischen den Seitenteilen und den Seitenwänden ausgeschäumt ist. CA 12 02 663 A has already suggested that the niche be made from side parts Has injection molded plastic that is spaced from the side walls of the housing are supported, and that the space between the side parts and the side walls is foamed.
Beispielsweise aus den EP 0 126 956 B1 0 127 791 B1 sind Kühl- und/oder Gefrierschränke bekannt, bei denen die Nischenteile aus wannenförmigen Kunststoffspritzgußteilen bestehen. Diese wannenförmigen Nischenteile lasen sich ähnlich wie die Innenbehälter zusammen mit dem Gehäuse in eine Schäumform einlegen, wobei sich auch die Räume zwischen den Seitenwandungen der Nischenteile und den Seitenteilen des Gehäuses mit Kunststoffschaum befüllen lassen. Die Herstellung dieser bekannten wannenförmigen Nischenteile als Kunststoffspritzgußteile ist jedoch verhältnismäßig aufwendig und daher teuer, weil großflächige dünne Wandungen gespritzt werden müssen, was nur mit hohen Drücken in der Spritzgießmaschine möglich ist. Aus diesem Grunde läßt sich üblicherweise in einer Spritzgießmaschine mit einem Werkzeug immer nur ein wannenförmiges Nischenteil herstellen.For example from EP 0 126 956 B1 0 127 791 B1 are refrigerators and / or freezers known in which the niche parts made of tub-shaped plastic injection molded parts consist. These trough-shaped niche parts can be read similarly how to place the inner container together with the housing in a foam mold, with the spaces between the side walls of the niche parts and fill the side parts of the housing with plastic foam. The production these well-known trough-shaped niche parts as plastic injection molded parts is, however, relatively complex and therefore expensive because of large-area thin Walls need to be sprayed, which is only possible with high pressures in the injection molding machine is possible. For this reason, can usually be in one Injection molding machine with one tool only ever a trough-shaped niche part produce.
Eine Aufgabe der Erfindung besteht daher darin, ein aus Kunststoffspritzguß bestehendes
Nischenteil für einen Kühl- und/oder Gefrierschrank der eingangs angegebenen
Art zu schaffen, das sich kostengünstiger herstellen läßt als die bekannten
wannenförmigen Nischenteile aus Kunststoffspritzguß ohne deren Stabilität zu opfern.
Erfindungsgemäß wird diese Aufgabe durch einen Kühl- und/oder Gefrierschrank
mit den Merkmalen des Patentanspruchs 1 gelöst. Insbesondere ist vorgesehen,
daß die Seitenteile durch einen oberen äußeren querverlaufenden Profilsteg
und durch die innere obere und die innere untere Kante der Nische begrenzende
profilierte Querstege miteinander verbunden sind, die einstückig mit den Seitenteilen
als ein Spritzgußteil hergestellt sind. Das Nischenteil besteht somit nur aus einem
Nischenrahmen, bei dem die geschlossenen Seitenteile durch querverlaufende
profilierte Stege miteinander verbunden sind. Dadurch sind bei dem erfindungsgemäßen
Nischenteil große dünne Wandungen und entsprechend weite Fließwege
des Kunststoffs beim Spritzgießen vermieden. Da das Nischenteil gleichsam nur
aus einem die Kanten der Nische begrenzenden Nischenrahmen besteht, kann dieses
mit niedrigeren Drücken in einer Spritzgießmaschine gespritzt werden, so daß
sich aufgrund der niedrigeren Spritzdrücke und des besseren Fließverhaltens mit
einem entsprechenden Werkzeug gleichzeitig zwei Nischenrahmen in einer Spritzgießmaschine
herstellen lassen. Die Herstellung des erfindungsgemäßen Nischenrahmens
ist daher sehr viel kostengünstiger als die Herstellung der bekannten
wannenförmigen Nischenteile.It is therefore an object of the invention to provide an injection molded plastic
Niche part for a refrigerator and / or freezer of the type specified
To create kind that can be produced more cost-effectively than the known ones
trough-shaped niche parts made of plastic injection molding without sacrificing their stability.
According to the invention, this object is achieved by a refrigerator and / or freezer
solved with the features of
Zur Aussteifung der die Seitenteile verbindenden quer verlaufenden profilierten Stege ist erfindungsgemäß mindestens ein die quer verlaufenden Profilstege verbindender Profilsteg vorgesehen, der parallel zu den Seitenteilen verläuft.For stiffening the transverse profiled profiles connecting the side parts According to the invention, webs are at least one connecting the transverse profile webs Profile web provided that runs parallel to the side parts.
Bevor der Innenbehälter oder die Innenbehälter mit dem dieses einfassenden Gehäuse in eine Schäumform eingelegt werden, wird der Kühl- und/oder Gefrierschrank zweckmäßigerweise im Wege der Vormontage zusammengefügt. Bei dieser Vormontage kann der erfindungsgemäße Nischenrahmen dadurch als stabilisierendes Element dienen, daß die aus Blech bestehenden Seitenwände des Gehäuses mit den unteren Randbereichen der Seitenwände des Nischenrahmens durch Einhängen verbunden werden. Die Durchbrüche zwischen den Profilstegen werden dann durch einen Karton geschlossen, dessen Enden gleichzeitig die Rückwand und den Boden bilden. Das derart vormontierte Gehäuse wird sodann in eine Schäumform eingelegt. Dabei werden die Durchbrüche zwischen den Profilstegen durch Karton geschlossen und sodann wird der übliche Formkern eingebracht.Before the inner container or the inner container with the housing enclosing this placed in a foam mold, the refrigerator and / or freezer expediently assembled by way of pre-assembly. At this The niche frame according to the invention can thus be pre-assembled as a stabilizing one Element serve that the sheet metal side walls of the housing with the lower edge areas of the side walls of the niche frame Be connected. The breakthroughs between the profile webs will be then closed by a cardboard box, the ends of which are also the back wall and form the bottom. The pre-assembled housing is then in a Foam mold inserted. The breakthroughs between the profile webs closed by cardboard and then the usual mold core is inserted.
Nach dem Einlegen des die Nische formenden Formkerns und Schließen der Form lassen sich dann auch die Zwischenräume zwischen den Seitenteilen und den Seitenwänden ausschäumen. Durch dieses Ausschäumen wird insbesondere auch eine bessere Geräuschdämmung erreicht.After inserting the mold core that forms the niche and closing the mold the gaps between the side parts and the Foam the side walls. This foaming in particular also achieved better noise insulation.
Der oder die Motorkompressoren werden auf Halteteile bildenden Rosten oder Stahlschienen montiert, deren Seiten mit den unteren Endbereichen der Seitenteile des Nischenrahmens verbunden, beispielsweise verschraubt, werden.The one or more motor compressors are mounted on grids or holding parts Steel rails mounted, the sides of which with the lower end portions of the side panels the niche frame connected, for example screwed.
Ein Ausführungsbeispiel der Erfindung wird nachstehend anhand der Zeichnungen näher erläutert. In dieser zeigt:
- Fig. 1
- eine Vorderansicht des erfindungsgemäßen Nischenrahmens,
- Fig. 2
- einen Schnitt durch den Nischenrahmen längs der Linie A-A in Fig. 1,
- Fig. 3
- eine Draufsicht auf den Nischenrahmen,
- Fig. 4
- einen Schnitt durch das linke Seitenteil des Nischenrahmens längs der Linie C-C in Fig. 2 und
- Fig. 5
- eine perspektivische Darstellung des Nischenrahmens nach den Fig. 1 bis 4
- Fig. 1
- a front view of the niche frame according to the invention,
- Fig. 2
- 2 shows a section through the niche frame along the line AA in FIG. 1,
- Fig. 3
- a top view of the niche frame,
- Fig. 4
- a section through the left side part of the niche frame along the line CC in Fig. 2 and
- Fig. 5
- a perspective view of the niche frame according to FIGS. 1 to 4
Der erfindungsgemäße Nischenrahmen 1 besteht aus im wesentlichen der Querschnittsform
der Nische entsprechenden geschlossenen Seitenteilen 2, 3, die durch
einen querverlaufenden stirnseitigen Profilsteg 4, einen die innere obere Kante des
Nischenrahmens bildenden Profilsteg 5 und einen die innere untere
Kante des Nischenrahmens bildenden Profilsteg 6 miteinander verbunden sind.
Der Profilsteg 4 besteht, wie am besten aus Fig. 2 ersichtlich ist, aus den stumpfwinkelig
zueinander stehenden Schenkeln 7, 8 wobei der aufragende Schenkel 7
etwa in der Ebene der Rückwand des Kühl- und/oder Gefrierschranks liegt.The
Der die innere obere Kante des Nischenrahmens bildende querverlaufende Profilsteg
5 weist ebenfalls ein winkeliges Profil mit etwa gleich langen Schenkeln auf.The transverse profile web forming the inner upper edge of the
Auch der die hintere untere Kante des Nischenrahmens bildende Profilsteg 6
weist in der aus Fig. 2 ersichtlichen Weise eine winkelige Form auf.Also the
Die querverlaufenden Profilstege 4, 5, 6 sind durch in der Mittelquerebene des
Nischenrahmens 1 etwa parallel zu den Seitenteilen 2, 3 verlaufende Profilstege
9, 10 miteinander verbunden so daß diese dadurch zusätzlich ausgesteift werden.
Zwischen den Profilstegen 5, 6 und dem Mittelsteg 9 sind in der Rückwand des
Nischenrahmens große fensterartige Durchbrüche 11, 12 gebildet. In entsprechender
Weise ist auch die obere Seite des Nischenrahmens 1 zwischen den
Profilstegen 4, 5 und dem diese verbindenden Profilsteg 10 mit großen fensterartigen
Durchbrüchen 13, 14 versehen.The
Die Seitenteile 2, 3 sind, wie am besten aus Fig. 4 ersichtlich ist, ebenfalls profiliert
ausgebildet. An den unteren Randbereich der Seitenteile 2, 3 sind seitlich
auskragende profilierte Leisten 15 angeformt, deren vorderen nach unten hin abgerundeten
Teile 16 Gleitfüße bilden.The
Claims (4)
- A refrigerator unit and/or a freezer unit
comprising at least one internal container and an outer housing enclosing this, in which the intermediate spaces between the internal container and the walls forming the outer housing are foamed with an insulating plastic foam, and
comprising a niche which is arranged in the lower region of the rear wall, which is open to the outside and in which at least one motor compressor is arranged,
wherein the niche has opposing side parts (2, 3) made of die cast plastic which are held spaced from the side walls of the housing and the space between the side parts and the side walls is foamed,
characterised in that
the side parts (2, 3) are connected to one another by transversely extending section webs (4, 5, 6), between which window-like openings (11, 12, 13, 14) are provided, and the transversely extending section webs are in turn connected by at least one section web (9, 10) extending parallel to and spaced from the side parts. - A refrigerator unit and/or a freezer unit in accordance with claim 1, wherein the side parts (2, 3) are connected to one another by an upper outer transversely extending section web (4) and by section webs (5, 6) which border the inner upper and the inner lower edge of the niche and which are made as one piece with the side parts (2, 3) as a die cast part.
- A refrigerator unit and/or a freezer unit in accordance with either of claims 1 or 2, wherein the side walls of the housing consisting of sheet metal are connected to the lower edge regions of the side walls.
- A refrigerator unit and/or a freezer unit in accordance with any of claims 1 to 3, wherein the openings (11, 12, 13, 14) are closed by cardboard between the section webs (4, 5, 6, 9, 10).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE29617921U DE29617921U1 (en) | 1996-10-15 | 1996-10-15 | Fridge and / or freezer |
DE29617921U | 1996-10-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0837295A1 EP0837295A1 (en) | 1998-04-22 |
EP0837295B1 true EP0837295B1 (en) | 2002-06-05 |
Family
ID=8030609
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97111862A Expired - Lifetime EP0837295B1 (en) | 1996-10-15 | 1997-07-11 | Refrigerator and/or freezer |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0837295B1 (en) |
DE (2) | DE29617921U1 (en) |
ES (1) | ES2177864T3 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE29617921U1 (en) * | 1996-10-15 | 1996-11-28 | Liebherr Hausgeraete | Fridge and / or freezer |
DE102013225650A1 (en) * | 2013-12-11 | 2015-06-11 | BSH Hausgeräte GmbH | Domestic refrigerator with a specific boundary wall of a machine room |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2003780A1 (en) * | 1970-01-20 | 1970-09-03 | Kitson J Wilson | Refrigerator or cold cabinet casing |
GB1339013A (en) * | 1970-02-25 | 1973-11-28 | Kitson J W | Methods of joining sections of thermal insulation board |
DE3318448A1 (en) | 1983-05-20 | 1984-11-22 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | METHOD AND WORK EQUIPMENT FOR INSTALLING A MOTOR COMPRESSOR IN A NICHE OF A REFRIGERATOR |
DE3319865A1 (en) | 1983-06-01 | 1984-12-06 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | COOLING UNIT WITH A NICHE FOR A MOTOR COMPRESSOR |
CA1202663A (en) * | 1983-12-23 | 1986-04-01 | Cory Ter Smitte | Refrigerator cabinet assembly |
IT222658Z2 (en) * | 1991-07-03 | 1995-04-24 | Candy | PERFORMED STRUCTURE FOR THE CONSTRUCTION OF THE COMPRESSOR COMPARTMENT IN REFRIGERATORS AND SIMILAR |
DE29617921U1 (en) * | 1996-10-15 | 1996-11-28 | Liebherr Hausgeraete | Fridge and / or freezer |
-
1996
- 1996-10-15 DE DE29617921U patent/DE29617921U1/en not_active Expired - Lifetime
-
1997
- 1997-07-11 EP EP97111862A patent/EP0837295B1/en not_active Expired - Lifetime
- 1997-07-11 DE DE59707398T patent/DE59707398D1/en not_active Expired - Fee Related
- 1997-07-11 ES ES97111862T patent/ES2177864T3/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE29617921U1 (en) | 1996-11-28 |
DE59707398D1 (en) | 2002-07-11 |
EP0837295A1 (en) | 1998-04-22 |
ES2177864T3 (en) | 2002-12-16 |
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